happen regularly. On other systems it is recommended to set
<varname>DNSSEC=</varname> to
<literal>allow-downgrade</literal>.</para>
+
+ <para>In addition to this global DNSSEC setting
+ <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ also maintains per-interface DNSSEC settings. For system DNS
+ servers (see above), only the global DNSSEC setting is in
+ effect. For per-interface DNS servers the per-interface
+ setting is in effect, unless it is unset in which case the
+ global setting is used instead.</para>
+
+ <para>Defaults to off.</para>
</listitem>
</varlistentry>